APA (7th ed.) Citation

Silva, Paulo, Seabra, Cláudia, & Cunha, Isabel Ferin. (2020). Smartphones.

Chicago Style (17th ed.) Citation

Silva, Paulo, Seabra, Cláudia, and Cunha, Isabel Ferin. Smartphones. 2020.

MLA (8th ed.) Citation

Silva, Paulo, et al. Smartphones. 2020.